| head_8xx.S (a1c613ae4c322ddd58d5a8539dbfba2a0380a8c0) | head_8xx.S (0a956d52e6fc31c52e5f21a134659a28e958480d) |
|---|---|
| 1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * PowerPC version 4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 5 * Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP 6 * Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu> 7 * Low-level exception handlers and MMU support 8 * rewritten by Paul Mackerras. --- 185 unchanged lines hidden (view full) --- 194 mtspr SPRN_M_TW, r11 195 196 /* If we are faulting a kernel address, we have to use the 197 * kernel page tables. 198 */ 199 mfspr r10, SPRN_SRR0 /* Get effective address of fault */ 200 INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11) 201 mtspr SPRN_MD_EPN, r10 | 1/* SPDX-License-Identifier: GPL-2.0-or-later */ 2/* 3 * PowerPC version 4 * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) 5 * Rewritten by Cort Dougan (cort@cs.nmt.edu) for PReP 6 * Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu> 7 * Low-level exception handlers and MMU support 8 * rewritten by Paul Mackerras. --- 185 unchanged lines hidden (view full) --- 194 mtspr SPRN_M_TW, r11 195 196 /* If we are faulting a kernel address, we have to use the 197 * kernel page tables. 198 */ 199 mfspr r10, SPRN_SRR0 /* Get effective address of fault */ 200 INVALIDATE_ADJACENT_PAGES_CPU15(r10, r11) 201 mtspr SPRN_MD_EPN, r10 |
| 202#ifdef CONFIG_MODULES | 202#ifdef CONFIG_EXECMEM |
| 203 mfcr r11 204 compare_to_kernel_boundary r10, r10 205#endif 206 mfspr r10, SPRN_M_TWB /* Get level 1 table */ | 203 mfcr r11 204 compare_to_kernel_boundary r10, r10 205#endif 206 mfspr r10, SPRN_M_TWB /* Get level 1 table */ |
| 207#ifdef CONFIG_MODULES | 207#ifdef CONFIG_EXECMEM |
| 208 blt+ 3f 209 rlwinm r10, r10, 0, 20, 31 210 oris r10, r10, (swapper_pg_dir - PAGE_OFFSET)@ha 2113: 212 mtcr r11 213#endif 214 lwz r11, (swapper_pg_dir-PAGE_OFFSET)@l(r10) /* Get level 1 entry */ 215 mtspr SPRN_MD_TWC, r11 --- 576 unchanged lines hidden --- | 208 blt+ 3f 209 rlwinm r10, r10, 0, 20, 31 210 oris r10, r10, (swapper_pg_dir - PAGE_OFFSET)@ha 2113: 212 mtcr r11 213#endif 214 lwz r11, (swapper_pg_dir-PAGE_OFFSET)@l(r10) /* Get level 1 entry */ 215 mtspr SPRN_MD_TWC, r11 --- 576 unchanged lines hidden --- |